/**
 *  StaDiUM - State Diagram Unified Modeler
 *  Copyright (C) 2007  Stefan Bucur, Mihai Balan, Claudiu Tanase
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.

 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.

 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

/**
 *  File Information
 *
 *  Last Modified On: $Date: 2007-06-03 11:14:41 +0000 (Sun, 03 Jun 2007) $
 *  Last Modified By: $Author: stefan.bucur $
 */
package ro.pub.cs.stadium.document;

import java.util.Map;


/**
 * Provides an interface to a diagram document
 * @author stefan
 *
 */
public interface IDocument {
	
	/**
	 * 
	 * @return the (internal) unit of measure on the X axis. 
	 */
	MeasureUnit getXUnit();
	
	/**
	 * 
	 * @return the (internal) unit of measure on the Y axis
	 */
	MeasureUnit getYUnit();
	
	
	/**
	 * 
	 * @return the coordinates of the current view position
	 */
	Point getViewPosition();
	
	void setViewPosition(Point newPos);
	
	/**
	 * 
	 * @return the dimension of the document
	 */
	Size getDocumentSize();
	
	
	/**
	 * 
	 * @return the document zoom level
	 */
	float getZoom();
	
	/**
	 * 
	 * @param value the document zoom level
	 */
	void setZoom(float value);
	
	/**
	 * 
	 * @return the list of diagram states
	 */
	Map<String, IState> getStates();
	
	/**
	 * 
	 * @return the list of diagram transitions
	 */
	Map<String, ITransition> getTransitions();
}
